Kwik-Stop Styptic Powder is an aid to stop bleeding caused by clipping nails, docking tails, and trimming beaks and minor cuts. Kwik-Stop Styptic Powder freezes the nerve ends close to the area where applied. Ferric Subsulfate controls the bleeding. Benzocaine is a topical anesthetic to ease pain and discomfort. Pressure bandaging to be used in conjunction with product following tail docking.